{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T14:50:47Z","timestamp":1790779847138,"version":"4.1.0"},"reference-count":70,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2023,3,16]],"date-time":"2023-03-16T00:00:00Z","timestamp":1678924800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Commissariat General \u00e0 l\u2019Investissement"},{"name":"Centre National d\u2019Etudes Spatiales"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biomolecules"],"abstract":"<jats:p>Radiation-induced bystander effects (RIBE) describe the biological events occurring in non-targeted cells in the vicinity of irradiated ones. Various experimental procedures have been used to investigate RIBE. Interestingly, most micro-irradiation experiments have been performed with alpha particles, whereas most medium transfers have been done with X-rays. With their high fluence, synchrotron X-rays represent a real opportunity to study RIBE by applying these two approaches with the same radiation type. The RIBE induced in human fibroblasts by the medium transfer approach resulted in a generation of DNA double-strand breaks (DSB) occurring from 10 min to 4 h post-irradiation. Such RIBE was found to be dependent on dose and on the number of donor cells. The RIBE induced with the micro-irradiation approach produced DSB with the same temporal occurrence. Culture media containing high concentrations of phosphates were found to inhibit RIBE, while media rich in calcium increased it. The contribution of the RIBE to the biological dose was evaluated after synchrotron X-rays, media transfer, micro-irradiation, and 6 MeV photon irradiation mimicking a standard radiotherapy session: the RIBE may represent less than 1%, about 5%, and about 20% of the initial dose, respectively. However, RIBE may result in beneficial or otherwise deleterious effects in surrounding tissues according to their radiosensitivity status and their capacity to release Ca2+ ions in response to radiation.<\/jats:p>","DOI":"10.3390\/biom13030542","type":"journal-article","created":{"date-parts":[[2023,3,17]],"date-time":"2023-03-17T03:33:57Z","timestamp":1679024037000},"page":"542","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["X-rays-Induced Bystander Effect Consists in the Formation of DNA Breaks in a Calcium-Dependent Manner: Influence of the Experimental Procedure and the Individual Factor"],"prefix":"10.3390","volume":"13","author":[{"given":"Juliette","family":"Restier-Verlet","sequence":"first","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aur\u00e9lie","family":"Joubert","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M\u00e9lanie L.","family":"Ferlazzo","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adeline","family":"Granzotto","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laur\u00e8ne","family":"Sonzogni","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6772-6947","authenticated-orcid":false,"given":"Jo\u00eblle","family":"Al-Choboq","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2860-9235","authenticated-orcid":false,"given":"Laura","family":"El Nachef","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eymeric","family":"Le Reun","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4575-5840","authenticated-orcid":false,"given":"Michel","family":"Bourguignon","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"},{"name":"Department of Biophysics and Nuclear Medicine, Universit\u00e9 Paris Saclay Versailles St Quentin en Yvelines, 78035 Versailles, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1282-1303","authenticated-orcid":false,"given":"Nicolas","family":"Foray","sequence":"additional","affiliation":[{"name":"INSERM U1296 unit \u201cRadiation: Defense\/Health\/Environment\u201d Centre L\u00e9on-B\u00e9rard, 69008 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,3,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"696","DOI":"10.1080\/09553002.2017.1398436","article-title":"History of bystander effects research 1905-present; what is in a name?","volume":"94","author":"Mothersill","year":"2018","journal-title":"Int. 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